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118 lines
2.9 KiB
118 lines
2.9 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "sysprop_cpp"
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#include <android-base/logging.h>
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#include <android-base/result.h>
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#include <cstdio>
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#include <cstdlib>
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#include <string>
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#include <getopt.h>
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#include "CppGen.h"
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using android::base::Result;
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namespace {
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struct Arguments {
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std::string input_file_path;
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std::string header_dir;
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std::string public_header_dir;
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std::string source_dir;
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std::string include_name;
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};
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[[noreturn]] void PrintUsage(const char* exe_name) {
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std::printf(
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"Usage: %s --header-dir dir --source-dir dir "
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"--include-name name --public-header-dir dir "
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"sysprop_file\n",
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exe_name);
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std::exit(EXIT_FAILURE);
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}
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Result<Arguments> ParseArgs(int argc, char* argv[]) {
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Arguments ret;
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for (;;) {
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static struct option long_options[] = {
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{"header-dir", required_argument, 0, 'h'},
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{"public-header-dir", required_argument, 0, 'p'},
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{"source-dir", required_argument, 0, 'c'},
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{"include-name", required_argument, 0, 'n'},
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};
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int opt = getopt_long_only(argc, argv, "", long_options, nullptr);
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if (opt == -1) break;
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switch (opt) {
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case 'h':
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ret.header_dir = optarg;
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break;
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case 'p':
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ret.public_header_dir = optarg;
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break;
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case 'c':
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ret.source_dir = optarg;
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break;
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case 'n':
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ret.include_name = optarg;
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break;
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default:
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PrintUsage(argv[0]);
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}
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}
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if (optind >= argc) {
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return Errorf("No input file specified");
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}
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if (optind + 1 < argc) {
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return Errorf("More than one input file");
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}
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if (ret.header_dir.empty() || ret.public_header_dir.empty() ||
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ret.source_dir.empty() || ret.include_name.empty()) {
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PrintUsage(argv[0]);
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}
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ret.input_file_path = argv[optind];
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return ret;
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}
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} // namespace
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int main(int argc, char* argv[]) {
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Arguments args;
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if (auto res = ParseArgs(argc, argv); res.ok()) {
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args = std::move(*res);
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} else {
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LOG(ERROR) << argv[0] << ": " << res.error();
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PrintUsage(argv[0]);
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}
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if (auto res = GenerateCppFiles(args.input_file_path, args.header_dir,
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args.public_header_dir, args.source_dir,
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args.include_name);
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!res.ok()) {
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LOG(FATAL) << "Error during generating cpp sysprop from "
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<< args.input_file_path << ": " << res.error();
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}
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}
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